Unsp abnormal cytological findings in specimens from anus

This code indicates the presence of abnormal cells detected in an anal cytology specimen, where the specific type or severity of the abnormality is not documented. It signifies a finding that deviates from normal cellular morphology but lacks further diagnostic specificity. This often prompts further investigation to determine the underlying cause.

Use this code when a pathology report for an anal Pap test or anal brush biopsy indicates "abnormal cytological findings" without specifying a more definitive diagnosis such as atypical squamous cells of undetermined significance (ASC-US), low-grade squamous intraepithelial lesion (LSIL), or high-grade squamous intraepithelial lesion (HSIL). Documentation must clearly state abnormal findings without further classification.

• Do not use this code if a more specific abnormal cytological finding (e.g., ASC-US, LSIL, HSIL) is documented; instead, code to the highest specificity.
• This code is often used as a preliminary finding, and subsequent definitive diagnoses will supersede it.
• Ensure the documentation explicitly states "unspecified" or lacks further detail regarding the nature of the abnormal cells.